Search Results - "Poli, Alessandra L"
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Photophysical Behavior of Isocyanine/Clay Hybrids in the Solid State
Published in Langmuir (31-01-2017)“…In the present study, we have attempted to investigate, for the first time, the photophysical behavior of 1,1′-diethyl-2,4′-cyanine (ICY)/clay mineral hybrids…”
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Effect of sonication on the particle size of montmorillonite clays
Published in Journal of colloid and interface science (15-09-2008)“…This paper reports on the effect of sonication on SAz-1 and SWy-1 montmorillonite suspensions. Changes in the size of the particles of these materials and…”
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Photochemical synthesis of silver nanoparticles on chitosans/montmorillonite nanocomposite films and antibacterial activity
Published in Carbohydrate polymers (01-09-2017)“…•AgNPs were synthetized directly on films of chitosans/montmorillonite by irradiation.•AgNPs were formed quickly on nanocomposite films prepared with modified…”
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Chitosan‐laponite nanocomposite scaffolds for wound dressing application
Published in Journal of biomedical materials research. Part B, Applied biomaterials (01-05-2020)“…The pivotal issue of skin regeneration research is the development of effective biomaterials that exhibit biological activities as fungicide and bactericide,…”
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Photochemical Deposition of Silver Nanoparticles on Clays and Exploring Their Antibacterial Activity
Published in ACS applied materials & interfaces (24-08-2016)“…Photochemical method was used to synthesize silver nanoparticles (AgNPs) in the presence of citrate or clay (SWy-1, SYn-1, and Laponite B) as stabilizers and…”
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Influence of clay minerals on curcumin properties: Stability and singlet oxygen generation
Published in Journal of molecular structure (05-09-2017)“…Curcumin (CUR) has showed promising photophysical properties regarding to biological and chemical sciences. However, the main barrier for those applications…”
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Photophysics of Auramine O adsorbed on solid clays
Published in Journal of luminescence (01-05-2015)“…The dye loading effect on the photophysical behavior of Auramine O adsorbed onto solid clays was studied. When the dye concentration is increased, solid…”
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Interaction of Auramine O with montmorillonite clays
Published in Journal of luminescence (01-04-2013)“…The spectroscopic behaviour of Auramine O (AuO) in aqueous suspensions of montmorillonite clays was studied using absorption and static and dynamic…”
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Organomontmorillonite/poly(methyl methacrylate) nanocomposites prepared by in situ photopolymerization. Effect of the organoclay on the photooxidative degradation
Published in Applied clay science (01-11-2013)“…Montmorillonite/PMMA nanocomposites were obtained by in situ photopolymerization. Methyl methacrylate was photopolymerized in the presence of modified clay…”
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Photodegradation of poly(ethyleneoxide)/montmorillonite composite films
Published in Journal of applied polymer science (05-03-2013)“…Poly(ethyleneoxide) (PEO) composites with SWy‐1 montmorillonite were prepared by mixing the polymer and the clay in aqueous colloidal solutions. Thin films of…”
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SDS (sodium dodecyl sulfate) effect on the autoxidation of the Glossoscolex paulistus giant extracellular hemoglobin: Kinetic studies at pH 7.0 and 9.0
Published in Colloids and surfaces, B, Biointerfaces (01-09-2006)“…The effect of the anionic surfactant sodium dodecyl sulfate (SDS) on the autoxidation process of the giant extracellular hemoglobin of Glossoscolex paulistus…”
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Photo-fenton degradation of poly(Ethyleneglycol)
Published in Journal of the Brazilian Chemical Society (01-03-2011)“…Polyethyleneglycol (PEG) was photooxidized in a photo-Fenton system and results compared with the dark reaction. The products were analysed using GPC and HPLC…”
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Photooxidative degradation of QTX (a thioxanthone derivative)
Published in Journal of the Brazilian Chemical Society (01-02-2011)“…The photooxidative degradation of QTX (2-hydroxy-3-(3,4-dimethyl-9-oxo-9H-thioxanthen-2-yloxy)-N,N,N-trimethyl-1-propanium chloride) has been investigated and…”
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A novel biopolymeric photoinitiator based on chitosan and thioxanthone derivative: Synthesis, characterization and efficiency in photopolymerization
Published in Journal of photochemistry and photobiology. A, Chemistry. (15-08-2016)“…[Display omitted] •A novel biopolymeric photoinitiator (TXICh) was synthetized from chitosan.•TXICh structure was characterized by 1D and 2D NMR…”
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Photochemical Synthesis of Ag and Au Nanoparticles Using a Thioxanthone Substituted Chitosan as Simultaneous Photoinitiator and Stabilizer
Published in Journal of the Brazilian Chemical Society (01-12-2019)“…Silver (AgNPs) and gold (AuNPs) nanoparticles in aqueous solution were generated and stabilized using the 10-oxo-10H-dibenzene thiopyran-3-4-dicarboximide…”
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Behaviour of Pseudoisocyanine in Macromolecular and Hydrotropic Solutions
Published in Journal of the Brazilian Chemical Society (01-08-2014)“…The photophysical behaviour of the dye pseudoisocyanine (PIC) was studied in macromolecular (sodium alginate) and hydrotropic (sodium toluenesulphonate and…”
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The UV/H2O2 - photodegradation of poly(ethyleneglycol) and model compounds
Published in Journal of the Brazilian Chemical Society (2009)“…The general mechanism for the photodegradation of polyethyleneglycol (PEG) by H2O2/UV was determined studying the photooxidation of small model molecules, like…”
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Estudo espectroscópico do equilíbrio entre espécies hexacoordenada e pentacoordenada dos monômero d nativo e reconstituído da hemoglobina extracelular gigante de Glossoscolex paulistus em meio alcalino Spectroscopic study of the equilibrium between hexacoordinated and pentacoordinated species of the native and reconstituted d monomers of the Glossoscolex paulistus giant extracellular hemoglobin in alkaline medium
Published in Química nova (01-07-2006)“…UV-Vis and fluorescence spectroscopic studies of native and reconstituted d monomers from Glossoscolex paulistus were performed in alkaline pH. In addition to…”
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Hemes férricos pentacoordenados e hexacoordenados dos monômeros d nativo e reconstituído da hemoglobina extracelular de Glossoscolex paulistus: estudos espectroscópicos em meio ácido Pentacoordinate and hexacoordinate ferric hemes from the native and reconstituted d monomers of Glossoscolex paulistus extracellular hemoglobin: spectroscopic studies in acid medium
Published in Química nova (01-10-2005)“…UV-Vis and fluorescence spectroscopic studies of the native and reconstituted d monomers of Glossoscolex paulistus were performed in acid medium. The…”
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